Numbers and Titles



Includeswater treatment equipment for hot water, chilled water, steam, and condenser water systems. includes one-shot feeders, automatic chemical feed systems, manual chemical feed systems, and chemicals.
See22 31 00 for domestic water softeners. 22 32 00 for domestic water filtration equipment.
23 25 13Water Treatment for Closed-Loop Hydronic Systems
23 25 16Water Treatment for Open Hydronic Systems
23 25 19Water Treatment for Steam System Feedwater
23 25 23Water Treatment for Humidification Steam System Feedwater
23 25 26Electronic Water Conditioning for HVAC Systems
23 25 33HVAC Makeup-Water Filtration Equipment